Click on the third or sixth rank to set the en passant target square.

EGTB: win in 10 half-moves

# move score
1 Rb4 win in 9 half-moves
2 K4c4 draw
3 K5c4 draw
4 K5c5 draw
5 Kc6 draw
6 Ra5 draw
7 Ra7 draw
8 Rc4 draw
9 K4c5 loss in 2 half-moves
10 K4e4 loss in 2 half-moves
11 K4e5 loss in 2 half-moves
12 K5e4 loss in 2 half-moves
13 K5e5 loss in 2 half-moves
14 Kc3 loss in 2 half-moves
15 Kd3 loss in 2 half-moves
16 Kd6 loss in 2 half-moves
17 Ke3 loss in 2 half-moves
18 Ke6 loss in 2 half-moves
19 Ra1 loss in 2 half-moves
20 Ra2 loss in 2 half-moves
21 Ra3 loss in 2 half-moves
22 Ra6 loss in 2 half-moves
23 Ra8 loss in 2 half-moves